4040 Humidifier Water Solenoid Valve Replacement For Aprilaire Models 220 224 400 500 600 700 Series 24V AC 2.3W 60Hz 125 PSI Blue Built To Last With Quick Connect Port And Quiet Reliable Performance For Home Humidifiers

Single-valve 4040 water solenoid valve for Aprilaire
✔️ Single-valve 4040 water solenoid valve for Aprilaire

The 4040 water solenoid valve is a direct replacement part for Aprilaire humidifiers, used to precisely control the water feed to the unit. It helps maintain indoor humidity in homes and small offices by turning water on and off as needed by the humidistat.

✅ Compatible with Aprilaire models 220, 224, 400, 400A, 400M, 440, 500, 500A, 500M, 550, 550A, 558, 560, 560A, 600, 600A, 600M, 700, 700A, 700M, 760, 768
✅ 24V AC, 60 Hz operation for standard home systems
✅ Brass body with inline stainless steel components and quick-connect port
✅ Includes compression nut, washer, and inline strainer for simple install

💡 What is a water solenoid valve used for in home humidifiers? A water solenoid valve controls the water supply to the humidifier, turning water on and off in sync with your humidistat to maintain comfortable humidity levels. - Handy for quick replacements with standard tools - Improves indoor moisture control to reduce dry air - Easy, straightforward installation for DIY homeowners